package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Employee;
import com.itheima.reggie.serive.EmployeeService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.DigestUtils;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import java.time.LocalDateTime;

@Slf4j
@RestController
@RequestMapping("/employee")
public class EmployeeController {
    @Autowired
    private EmployeeService employeeService;

    /**
     * 登录
     * @param request
     * @param emplyee
     * @return
     */
    @PostMapping("/login")
    public R<Employee> login(HttpServletRequest request,@RequestBody Employee emplyee){
        log.info("登录信息：{}",emplyee);
        String password = emplyee.getPassword();
        password = DigestUtils.md5DigestAsHex(password.getBytes());
        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(Employee::getUsername,emplyee.getUsername());
        Employee emp = employeeService.getOne(queryWrapper);
        if(emp == null){
            return R.error("登录失败");
        }
        if(!emp.getPassword().equals(password)){
            return R.error("登录失败");

        }
        if(emp.getStatus() == 0){
            return R.error("账号已禁用");
        }
        request.getSession().setAttribute("employee",emp.getId());
        return R.success(emp);
//        return null;
    }

    /**
     * 退出登录
     * @param request
     * @return 注释 公司地址
     */
    @PostMapping("/logout")
    public R<String> logout(HttpServletRequest request){
        request.getSession().removeAttribute("employee");
        return R.success("退出成功");
    }

    /**
     * 新增员工
     * @param employee
     * @return
     */
    @PostMapping
    public R<String> save(HttpServletRequest request,@RequestBody Employee employee){
        log.info("展位信息",employee.toString());
        employee.setPassword(DigestUtils.md5DigestAsHex("123456".getBytes()));
        employee.setCreateTime(LocalDateTime.now());
        employee.setUpdateTime(LocalDateTime.now());
//        获取当前登录用户
       Long empId = (Long) request.getSession().getAttribute("employee");
        employee.setCreateUser(empId);
        employee.setUpdateUser(empId);
        employeeService.save(employee);
        return  R.success("新增员工成功");
    }

    /**
     * 分页查询
     * @param page
     * @param pageSize
     * @param name
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize,String name){

        Page pageInfo = new Page(page,pageSize);

        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper();

         queryWrapper.like(StringUtils.isNotEmpty(name), Employee::getName, name);
         queryWrapper.orderByDesc(Employee::getUpdateTime);
         employeeService.page(pageInfo,queryWrapper);
//         log.info("分页查询：{}",pageInfo);
         return  R.success(pageInfo);
//        return  null;
    }

    /**
     *  修改员工信息
     * @param request
     * @param employee
     * @return
     */
    @PutMapping
    public R<String> update(HttpServletRequest request,@RequestBody Employee employee){
//        employee.setUpdateTime(LocalDateTime.now());
//        employee.setUpdateUser((Long) request.getSession().getAttribute("employee"));
        employeeService.updateById(employee);
        return R.success("员工信息修改成功");
    }

    /**
     * 根据id查询员工信息
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    public R<Employee> getById(@PathVariable String id){
        Employee employee = employeeService.getById(id);
        if(employee != null){
            return R.success(employee);
        }
        return R.error("没有查询到对应员工信息");
    }
}
